Product Talk · Teresa TorresOct 22, 2025
Oct 22, 2025 · 12 min
Teresa Torres argues that generative AI changes many product-management practices (prompt engineering, context engineering, orchestration, and evals) but that core fundamentals still determine whether a product…
Product Talk · Teresa TorresOct 21, 2025
Oct 21, 2025
In this podcast episode, Teresa Torres and Petra Wille trade stories about the formative experiences that shaped their product careers. Teresa recounts running a startup through the 2008 recession, where prioritization…
Lenny’s Podcast95 min
Nicole Forsgren · Oct 19, 2025
Key learnings- Before measuring anything, get crisp on the problem or goal, since teams often interpret vague mandates like 'improve developer…
- Shipping smaller changes more often tends to improve both speed and stability together, because small batches have smaller blast…
- DORA's four metrics (deployment frequency, lead time, time to restore, change fail rate) give a benchmark-style view of where you…
Product Talk · Teresa TorresOct 16, 2025
Oct 16, 2025
This podcast episode features three leaders from Neople, a company building 'digital coworkers' that automate work such as customer support, invoice processing, and drafting emails. The conversation traces how Neople…
Product Talk · Teresa TorresOct 15, 2025
Oct 15, 2025 · 35 min
Teresa Torres explains the product operating model, a set of first principles popularized by Marty Cagan, which focuses on achieving customer and business outcomes rather than shipping outputs. She contrasts it with the…
Medium · Hiten ShahOct 14, 2025
Oct 14, 2025 · 3 min
Crazy Egg's team tested 19 AI website builders by generating 51 pages (product, course, and local service pages) and scoring them against 60 criteria covering usability, conversion design, and SEO. The author finds AI…
Product Talk · Teresa TorresOct 14, 2025
Oct 14, 2025
In this end-of-year episode of All Things Product, Petra Wille and Teresa Torres reflect on what they want to be known for in their work. They examine why the word 'legacy' can feel heavy and propose gentler framings…
Lenny’s Newsletter♥ 839
Oct 14, 2025 · 20 min
Subscriber post — summary onlyLenny Rachitsky argues that non-technical people should use Claude Code, which he frames as a local-feeling AI agent that can act on files and tools on a computer. The post walks through installation steps, shows five…
HEY World · Jason FriedOct 13, 2025
Oct 13, 2025
Jason Fried argues that a new product does not need to be revolutionary or disruptive to succeed. He describes how whole product categories can drift toward ever-greater complexity, with competitors one-upping each…
Medium · Hiten ShahOct 12, 2025
Oct 12, 2025
Hiten Shah argues that building in public began as a risky, honest practice where founders shared unfinished thinking to find like-minded people and sharpen their own conviction. As audiences grew and tools for…
Lenny’s Podcast118 min
Robby Stein · Oct 10, 2025
Key learnings- Search demand is expanding rather than dying: AI lets people ask more and harder questions, so growth comes from new query types…
- Build a product from a real user problem and stay dissatisfied with the status quo; keep making it better until it tips into…
- Use a J-curve retention analysis (day 7, 30, 90) to tell whether a product is flattening into real usage or steadily losing users.
Product Talk · Teresa TorresOct 9, 2025
Oct 9, 2025
Teresa Torres interviews SallyAnn DeLucia and Jack Zhou of Arize AI about building Alyx, the AI agent that helps teams debug, optimize, and evaluate AI applications. The team describes scrappy beginnings in Jupyter…
Lenny’s Podcast110 min
Jason Droege · Oct 9, 2025
Key learnings- Model improvement now relies heavily on experts (80% of Scale's expert network holds a bachelor's or higher) defining what good…
- Enterprise AI pilots that reach 60-70% accuracy feel close, but robust automation of important processes often takes 6-12 months…
- Validate a new business by checking whether it can sustain high gross margins and whether competitors can match the economics in…
Product Talk · Teresa TorresOct 8, 2025
Oct 8, 2025 · 14 min
Teresa Torres argues that teams under pressure to keep up with continuous customer interviews are turning to generative AI for synthesis, and that this often backfires. The core problem is that AI cannot supply context…
HEY World · Jason FriedOct 7, 2025
Oct 7, 2025
Jason Fried argues that the most interesting design is the kind that changes how people behave, not just how something looks or works. He uses the power reserve indicator on the A. Lange & Söhne Lange 1 watch as an…
Product Talk · Teresa TorresOct 7, 2025
Oct 7, 2025
In this podcast conversation, Teresa Torres and host Petra Wille discuss Product Talk Academy's shift from purely instructor-led cohort courses toward on-demand learning options. Torres explains why she resisted…
Lenny’s Podcast115 min
Albert Cheng · Oct 5, 2025
Key learnings- Alternate between exploring for new insights and exploiting proven wins; when experiments stop reaching significance, return to…
- Share experiment learnings across the company so adjacent teams can apply the same human-psychology insight to their own parts of…
- Make a free tier a taste of the full product's value rather than a stripped-down version; sampling paid suggestions to free users…
Product Talk · Teresa TorresOct 2, 2025
Oct 2, 2025
Teresa Torres and Hamel Husain discuss how to evaluate and debug AI products with a scientist's mindset. Hamel draws on his machine learning background at Airbnb and GitHub, and his consulting work with startups like…
Product Talk · Teresa TorresOct 1, 2025
Oct 1, 2025 · 17 min
Teresa Torres follows up her home-use AI article with a practical guide to using large language models at work, organized into increasingly complex categories: translation, doing the work, research, writing, and coding…
Product Talk · Teresa TorresSep 30, 2025
Sep 30, 2025
Teresa Torres and Petra Wille discuss how they use AI as strategic thought partners across writing, coding, and product work rather than as ghostwriters. Petra describes a voice-first, bilingual transcription workflow…
Lenny’s NewsletterSep 30, 2025
Sep 30, 2025 · 32 min
Subscriber post — summary onlyExecutive coach Jack Cohen introduces GAIN, a framework for giving feedback by framing it around the gain people can achieve rather than the pain to avoid. It walks through each element (Goal, Actions, Impacts, Next…
Lenny’s Podcast112 min
Ravi Mehta · Sep 29, 2025
Key learnings- Startups win on latency, the speed from idea to validated result, not raw velocity; design tests so you can learn in days rather…
- Early-stage companies lack the traffic for statistically significant experiments, so favor conviction built from enough data over…
- Build an early-stage network of founders, angels, and builders early, since large-company connections often prefer staying in…
HEY World · Jason FriedSep 25, 2025
Sep 25, 2025
Jason Fried responds to a young entrepreneur in his mid-20s who sold a business and now holds a couple million dollars in liquid cash, asking whether to invest it, start a new company, or do something else. Fried's…
Product Talk · Teresa TorresSep 25, 2025
Sep 25, 2025
This episode of Just Now Possible features the eSpark team discussing how they built Teacher Assistant, an AI feature that helps K–5 teachers align eSpark's supplemental lessons with district-mandated core curricula…
Lenny’s Podcast131 min
Hamel Husain & Shreya Shankar · Sep 25, 2025
Key learnings- Evals are systematic ways to measure and improve an AI application, essentially data analytics on LLM behavior, replacing…
- Start with error analysis by manually reviewing around 100 sampled traces and writing short notes on the first upstream failure…
- Product people with domain expertise should lead open coding; appoint one 'benevolent dictator' whose judgment you trust instead…
Product Talk · Teresa TorresSep 23, 2025
Sep 23, 2025
Teresa Torres and Petra Wille explore AI evals: what they mean, why they matter beyond quality assurance, and how teams can build them. Drawing on Teresa's experience building the Interview Coach tool, the conversation…
Product Talk · Teresa TorresSep 18, 2025
Sep 18, 2025
Teresa Torres interviews Ellen Brandenburger, a former product leader at Stack Overflow, about how the company responded when ChatGPT abruptly changed developer behavior. Ellen describes the creation of Overflow AI, a…
Lenny’s Podcast81 min
Brendan Foody · Sep 18, 2025
Key learnings- Treat evals as the product requirement document for a model: if you cannot measure what success looks like for a task, you cannot…
- Companies should build a systematic test of how AI automates their core value chain, since that measurement is the prerequisite…
- Evals also serve as sales collateral, showing customers and researchers concretely which real-world capabilities a model or…
Product Talk · Teresa TorresSep 17, 2025
Sep 17, 2025 · 19 min
Teresa Torres argues that people feel overwhelmed by AI but can build practical skills by starting with simple, everyday uses of large language models. She presents a graded set of use cases, from basic search…
SVPG · Marty CaganSep 17, 2025
Sep 17, 2025 · 5 min
Marty Cagan argues that Forward Deployed Engineers (FDEs)—technical product creators who embed with customers to deeply understand their problems—are a powerful practice that applies well beyond the hard, high-stakes…